ProgramNode(0...14)(
  [],
  StatementsNode(0...14)(
    [InterpolatedStringNode(0...14)(
       (0...1),
       [StringNode(1...4)(nil, (1...4), nil, "foo"),
        EmbeddedStatementsNode(4...10)(
          (4...6),
          StatementsNode(6...9)(
            [CallNode(6...9)(nil, nil, (6...9), nil, nil, nil, nil, 0, "bar")]
          ),
          (9...10)
        ),
        StringNode(10...13)(nil, (10...13), nil, "baz")],
       (13...14)
     )]
  )
)
